Built for beauty, durability and value, the Metal Sales Classic Rib is a hard-working panel that performs in all seasons. Ideal for a variety of structures including pole barns, equipment storage, stables, garages, sheds and houses, this lightweight metal panel is easy to install to protect your investment beautifully. Classic Rib has a low profile rib height of 3/4" and is designed for attachment to the roof substrate with fasteners that penetrate the face of the panel. Fastener heads are exposed to view and feature a sealing gasket that prevents leaking. Classic Rib also provides you with decades of worry-free service with low maintenance requirements.